Xiaomi Mi A3 4GB/128GB

Oppo A9 2020

os

Android 9.0 (Pie); Android One

Android 9.0 (Pie); ColorOS 6.1

RAM

4 GB

8 GB

ROM

128 GB

128 GB

expandable

256 GB

256 GB

CPU

Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

GPU

Adreno 610

Adreno 610

SoC

Qualcomm SDM665 Snapdragon 665 (11 nm)

Qualcomm SDM665 Snapdragon 665 (11 nm)

number of cores

8core

8core

features

LED flash, HDR, panorama

Dual-LED dual-tone flash, panorama, HDR

primary

Triple:
48 MP, f/1.8, (wide), 1/2", 0.8m, PDAF
8 MP, (ultrawide), f/2.2, 1.12m
2 MP, f/2.4, depth sensor

Quad:
48 MP, f/1.8, (wide), 1/2.3", 0.8m, PDAF
8 MP, f/2.3, 13mm (ultrawide), 1/4", 1.12m, AF
2 MP, f/2.4, 1/5", 1.75m
2 MP, f/2.4, 1/5", 1.75m, depth sensor

secondary

32 MP, f/2.0, 0.8m

16 MP, f/2.0, 1/3.1", 1.0m

capacity

4030mAh

5000mAh

charging

Fast battery charging 18W (Quick Charge 3)

Reverse charging

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

dimension

153.5 x 71.9 x 8.5 mm

163.6 x 75.6 x 9.1 mm

display

Super AMOLED capacitive touchscreen, 16M colors, 88.7 cm2 (~80.3% screen-to-body ratio)

IPS LCD capacitive touchscreen, 16M colors, 102.0 cm2 (~82.5% screen-to-body ratio)

protection

Corning Gorilla Glass 5

resolution

720 x 1560 pixels, 19.5:9 ratio (~286 ppi density)

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

screen

6.01"

6.5"

weight

173.8 gm

195 gm

USB

2.0, Type-C 1.0 reversible connector

microUSB 2.0, USB On-The-Go

bluetooth

5.0, A2DP, LE, aptX HD

5.0, A2DP, LE

internet

Dual SIM (Nano-SIM, dual stand-by)

2G/3G/4G/LTE

wifi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

FM radio, recording

FM Radio

general

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)

sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass